package com.mmall.controller.portal;

import com.alipay.api.AlipayApiException;
import com.alipay.api.internal.util.AlipaySignature;
import com.alipay.demo.trade.config.Configs;
import com.google.common.collect.Maps;
import com.mmall.common.Const;
import com.mmall.common.ResponseCode;
import com.mmall.common.ServerResponse;
import com.mmall.pojo.User;
import com.mmall.service.IOrderService;
import com.mmall.util.PathUtil;
import com.mmall.util.PropertiesUtil;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Controller;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RequestParam;
import org.springframework.web.bind.annotation.ResponseBody;
import sun.security.krb5.Config;

import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpSession;
import java.util.Iterator;
import java.util.Map;

/**
 * @Author 侯俊杰
 * @Date 2018/1/30
 * @Time 21:29
 **/
@Controller
@RequestMapping("/order/")
public class OrderController
{
    private static final Logger logger = LoggerFactory.getLogger(OrderController.class);
    @Autowired
    private IOrderService iOrderService;


    @RequestMapping("create.do")
    @ResponseBody
    public ServerResponse create(HttpSession session, Integer shippingId)
    {
        User user = (User)session.getAttribute(Const.CURRENT_USER);
        if(user == null)
        {
            return ServerResponse.createByErrorCodeMessage(ResponseCode.NEED_LOGIN.getCode(),ResponseCode.NEED_LOGIN.getDesc());
        }
        return iOrderService.createOrder(user.getId(),shippingId);
    }



    @RequestMapping("cancel.do")
    @ResponseBody
    public ServerResponse cancel(HttpSession session, Long orderNo)
    {
        User user = (User)session.getAttribute(Const.CURRENT_USER);
        if(user == null)
        {
            return ServerResponse.createByErrorCodeMessage(ResponseCode.NEED_LOGIN.getCode(),ResponseCode.NEED_LOGIN.getDesc());
        }
        return iOrderService.cancel(user.getId(),orderNo);
    }

    @RequestMapping("get_order_cart_product.do")
    @ResponseBody
    public ServerResponse getOrderCartProduct(HttpSession session, Long orderNo)
    {
        User user = (User)session.getAttribute(Const.CURRENT_USER);
        if(user == null)
        {
            return ServerResponse.createByErrorCodeMessage(ResponseCode.NEED_LOGIN.getCode(),ResponseCode.NEED_LOGIN.getDesc());
        }
        return iOrderService.getUserCartProduct(user.getId());
    }

    @RequestMapping("detail.do")
    @ResponseBody
    public ServerResponse detail(HttpSession session, Long orderNo)
    {
        User user = (User)session.getAttribute(Const.CURRENT_USER);
        if(user == null)
        {
            return ServerResponse.createByErrorCodeMessage(ResponseCode.NEED_LOGIN.getCode(),ResponseCode.NEED_LOGIN.getDesc());
        }
        return iOrderService.getOrderDetail(user.getId(),orderNo);
    }

    @RequestMapping("list.do")
    @ResponseBody
    public ServerResponse list(HttpSession session, @RequestParam(value = "pageNum",defaultValue = "1") int pageNum,@RequestParam(value = "pageSize",defaultValue = "10") int pageSize)
    {
        User user = (User)session.getAttribute(Const.CURRENT_USER);
        if(user == null)
        {
            return ServerResponse.createByErrorCodeMessage(ResponseCode.NEED_LOGIN.getCode(),ResponseCode.NEED_LOGIN.getDesc());
        }
        return iOrderService.getOrderList(user.getId(),pageNum,pageSize);
    }









    @RequestMapping("pay.do")
    @ResponseBody
    public ServerResponse pay(HttpSession session, Long orderNo)
    {
        User user = (User)session.getAttribute(Const.CURRENT_USER);
        if(user == null)
        {
            return ServerResponse.createByErrorCodeMessage(ResponseCode.NEED_LOGIN.getCode(),ResponseCode.NEED_LOGIN.getDesc());
        }
        String path = new PathUtil().getAbsolutePathByClass()+"upload";
//            String path = request.getSession().getServletContext().getRealPath("upload");//为啥是null，因为war里没有什么realPath吗
        return iOrderService.pay(orderNo,user.getId(),path);
    }

    @RequestMapping("alipay_callback.do")
    @ResponseBody
    public Object alipayCallback(HttpServletRequest request)
    {
        Map<String,String> params = Maps.newHashMap();
        Map requestParams = request.getParameterMap();
        for (Iterator iter = requestParams.keySet().iterator();iter.hasNext();)
        {
            String name = (String)iter.next();
            String[] values = (String[]) requestParams.get(name);
            String valueStr = "";
            for (int i = 0; i < values.length; i++)
            {
                valueStr = (i == values.length -1)?valueStr + values[i] : valueStr + values[i] + ",";
            }
            params.put(name,valueStr);
        }
        logger.info("支付宝回调sign:{},trade_status:{},参数:{}",params.get("sign"),params.get("trade_status"),params.toString());

        //验证回调的正确性：是不是支付宝发的？而且还要避免重复通知

        params.remove("sign_type");
        try
        {
            boolean alipayRSACheckedV2 = AlipaySignature.rsaCheckV2(params, Configs.getAlipayPublicKey(),"utf-8", Configs.getSignType());

            if(!alipayRSACheckedV2)
            {
                return ServerResponse.createByErrorMessage("非法请求，验证不通过，再恶意请求我就报警找网警了");
            }
        } catch (AlipayApiException e)
        {
            logger.error("支付宝验证回调异常",e);
        }

        //todo:验证各种数据

        ServerResponse serverResponse = iOrderService.aliCallback(params);

        if (serverResponse.isSuccess())
        {
            return Const.AlipayCallBack.RESPONSE_SUCCESS;
        }
        return Const.AlipayCallBack.RESPONSE_FAILED;
    }

    /**
     * 轮询方法，查询它是不是已经支付成功
     * @param session
     * @param orderNo
     * @return
     */
    @RequestMapping("query_order_pay_status.do")
    @ResponseBody
    public ServerResponse<Boolean> queryOrderPayStatus(HttpSession session, Long orderNo)
    {
        User user = (User)session.getAttribute(Const.CURRENT_USER);
        if(user == null)
        {
            return ServerResponse.createByErrorCodeMessage(ResponseCode.NEED_LOGIN.getCode(),ResponseCode.NEED_LOGIN.getDesc());
        }

        ServerResponse serverResponse =  iOrderService.queryOrderPayStatus(user.getId(),orderNo);
        if(serverResponse.isSuccess())
        {
            return ServerResponse.createBySuccess(true);
        }
        return ServerResponse.createBySuccess(false);
    }
}
















